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1. Emergence and spread of two SARS-CoV-2 variants of interest in Nigeria

Author

Idowu B. Olawoye, Paul E. Oluniyi, Judith U. Oguzie, Jessica N. Uwanibe, Tolulope A. Kayode, Testimony J. Olumade, Fehintola V. Ajogbasile, Edyth Parker, Philomena E. Eromon, Priscilla Abechi, Tope A. Sobajo, Chinedu A. Ugwu, Uwem E. George, Femi Ayoade, Kazeem Akano, Nicholas E. Oyejide, Iguosadolo Nosamiefan, Iyanuoluwa Fred-Akintunwa, Kemi Adedotun-Sulaiman, Farida B. Brimmo, Babatunde B. Adegboyega, Courage Philip, Richard A. Adeleke, Grace C. Chukwu, Muhammad I. Ahmed, Oludayo O. Ope-Ewe, Shobi G. Otitoola, Olusola A. Ogunsanya, Mudasiru F. Saibu, Ayotunde E. Sijuwola, Grace O. Ezekiel, Oluwagboadurami G. John, Julie O. Akin-John, Oluwasemilogo O. Akinlo, Olanrewaju O. Fayemi, Testimony O. Ipaye, Deborah C. Nwodo, Abolade E. Omoniyi, Iyobosa B. Omwanghe, Christabel A. Terkuma, Johnson Okolie, Olubukola Ayo-Ale, Odia Ikponmwosa, Ebo Benevolence, Grace O. Naregose, Akhilomen E. Patience, Osiemi Blessing, Airende Micheal, Agbukor Jacqueline, John O. Aiyepada, Paulson Ebhodaghe, Omiunu Racheal, Esumeh Rita, Giwa E. Rosemary, Ehikhametalor Solomon, Ekanem Anieno, Yerumoh Edna, Aire O. Chris, Adomeh I. Donatus, Ephraim Ogbaini-Emovon, Mirabeau Y. Tatfeng, Hannah E. Omunakwe, Mienye Bob-Manuel, Rahaman A. Ahmed, Chika K. Onwuamah, Joseph O. Shaibu, Azuka Okwuraiwe, Anthony E. Ataga, Andrew Bock-Oruma, Funmi Daramola, Ibrahim F. Yusuf, Akinwumi Fajola, Nsikak-Abasi Ntia, Julie J. Ekpo, Anietie E. Moses, Beatrice W. Moore-Igwe, Oluwatosin E. Fakayode, Monilade Akinola, Ibrahim M. Kida, Bamidele S. Oderinde, Zara W. Wudiri, Oluwapelumi O. Adeyemi, Olusola A. Akanbi, Anthony Ahumibe, Afolabi Akinpelu, Oyeronke Ayansola, Olajumoke Babatunde, Adesuyi A. Omoare, Chimaobi Chukwu, Nwando G. Mba, Ewean C. Omoruyi, Olasunkanmi Olisa, Olatunji K. Akande, Ifeanyi E. Nwafor, Matthew A. Ekeh, Erim Ndoma, Richard L. Ewah, Rosemary O. Duruihuoma, Augustine Abu, Elizabeth Odeh, Venatius Onyia, Chiedozie K. Ojide, Sylvanus Okoro, Daniel Igwe, Emeka O. Ogah, Kamran Khan, Nnennaya A. Ajayi, Collins N. Ugwu, Kingsley N. Ukwaja, Ngozi I. Ugwu, Chukwuyem Abejegah, Nelson Adedosu, Olufemi Ayodeji, Ahmed A. Liasu, Rafiu O. Isamotu, Galadima Gadzama, Brittany A. Petros, Katherine J. Siddle, Stephen F. Schaffner, George Akpede, Cyril Oshomah Erameh, Marycelin M. Baba, Femi Oladiji, Rosemary Audu, Nnaemeka Ndodo, Adeola Fowotade, Sylvanus Okogbenin, Peter O. Okokhere, Danny J. Park, Bronwyn L. Mcannis, Ifedayo M. Adetifa, Chikwe Ihekweazu, Babatunde L. Salako, Oyewale Tomori, Anise N. Happi, Onikepe A. Folarin, Kristian G. Andersen, Pardis C. Sabeti, and Christian T. Happi

Subjects
Science
Abstract

Data on geographically restricted SARS-CoV-2 variants is lacking in some regions. In this nationwide effort including 18 public health labs, the authors used genomic epidemiology and travel data to understand the origin and spread of 2 variants of interest that predominated during the second wave of the pandemic in Nigeria.

Published
2023
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2. Emergence and spread of two SARS-CoV-2 variants of interest in Nigeria

Author

Idowu B. Olawoye, Paul E. Oluniyi, Judith U. Oguzie, Jessica N. Uwanibe, Adeyemi T. Kayode, Testimony J. Olumade, Fehintola V. Ajogbasile, Edyth Parker, Philomena E. Eromon, Priscilla Abechi, Tope Sobajo, Chinedu Ugwu, George Uwem, Femi Ayoade, Kazeem Akano, Nicholas Oyejide, Iyanuoluwa Fred-Akintunwa, Kemi Adedotun-Sulaiman, Farida Brimmo, Benjamin Adegboyega, Courage Philip, Ayomide Adeleke, Grace C. Chukwu, Ahmed I. Muhammad, Oludayo O. Ope-ewe, Shobi Otitoola, Olusola A. Ogunsanya, Mudasiru F. Saibu, Ayotunde E. Sijuwola, Grace O. Ezekiel, Oluwagboadurami G. John, Julie O. Akin-John, Oluwasemilogo O. Akinlo, Olanrewaju O. Fayemi, Testimony O. Ipaye, Deborah C. Nwodo, Abolade E. Omoniyi, Iyobosa B. Omwanghe, Christabel A. Terkuma, Johnson Okolie, Olubukola Ayo-Ale, Odia Ikponmwosa, Ebo Benevolence, Okonofua Naregose, Akhilomen Patience, Osiemi Blessing, Airende Micheal, Agbukor Jacqueline, Aiyepada John, Paulson Ebhodaghe, Omiunu Racheal, Esumeh Rita, Giwa Rosemary, Ehikhametalor Solomon, Ekanem Anieno, Yerumoh Edna, Aire Chris, Adomeh Donatus, Ephraim Ogbaini, Mirabeau Y. Tatfeng, Hannah E. Omunakwe, Mienye Bob-Manuel, Rahaman Ahmed, Chika Onwuamah, Joseph Shaibu, Azuka Okwuraiwe, Anthony E. Atage, Andrew Bock-Oruma, Funmi Daramola, Akinwumi Fajola, Nsikak-Abasi Ntia, Julie J. Ekpo, Anietie Moses, Worbianueri B. Moore-Igwe, Ibrahim F. Yusuf, Enoch O. Fakayode, Monilade Akinola, Ibrahim Kida, Bamidele S. Oderinde, Zara Wudiri, Olufemi O. Adeyemi, Olusola Akanbi, Anthony Ahumibe, Afolabi Akinpelu, Oyeronke Ayansola, Olajumoke Babatunde, Adesuyi Omoare, Chimaobi Chukwu, Nwando Mba, Ewean C. Omoruyi, Johnson A. Adeniji, Moses O. Adewunmi, Oluseyi Olayinka, Olisa Olasunkanmi, Olatunji Akande, Ifeanyi Nwafor, Matthew Ekeh, Erim Ndoma, Richard Ewah, Rosemary Duruihuoma, Augustine Abu, Elizabeth Odeh, Venatious Onyia, Kingsley C. Ojide, Sylvanus Okoro, Daniel Igwe, Kamran Khan, Anthony N. Ajayi, Ebhodaghe Ngozi Ugwu, Collins N. Ugwu, Kingsley Ukwuaja, Emeka O. Ogah, Chukwuyem Abejegah, Nelson Adedosu, Olufemi Ayodeji, Rafiu O. Isamotu, Galadima Gadzama, Brittany Petros, Katherine J. Siddle, Stephen Schaffner, George Akpede, Cyril Oshomah Erameh, Marycelin Baba, Femi Oladiji, Rosemary Audu, Nnaemeka Ndodo, Adeola Fowotade, Sylvanus Okogbenin, Peter Okokhere, Danny Park, Bronwyn Mcannis, Ifedayo Adetifa, Chikwe Ihekweazu, Babatunde L. Salako, Oyewale Tomori, Anise N. Happi, Onikepe A. Folarin, Kristian G. Andersen, Pardis C. Sabeti, and Christian T. Happi

Abstract

Identifying the dissemination patterns and impacts of a virus of economic or health importance during a pandemic is crucial, as it informs the public on policies for containment in order to reduce the spread of the virus. In this study, we integrated genomic and travel data to investigate the emergence and spread of the B.1.1.318 and B.1.525 variants of interest in Nigeria and the wider Africa region. By integrating travel data and phylogeographic reconstructions, we find that these two variants that arose during the second wave emerged from within Africa, with the B.1.525 from Nigeria, and then spread to other parts of the world. Our results show how regional connectivity in downsampled regions like Africa can often influence virus transmissions between neighbouring countries. Our findings demonstrate the power of genomic analysis when combined with mobility and epidemiological data to identify the drivers of transmission in the region, generating actionable information for public health decision makers in the region.

Published
2022
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3. Chloroquine resistance molecular markers in Falciparum malaria in Edo state

Author

D. E. Agbonlahor, Jonathan O. Isibor, Adesola Olalekan, Mirabeau Y. Tatfeng, and F. E. Oviasogie

Subjects
medicine.medical_specialty, Public Health, Environmental and Occupational Health, Plasmodium falciparum, Drug resistance, Biology, medicine.disease, biology.organism_classification, Virology, Infectious Diseases, Polymorphism (computer science), parasitic diseases, Epidemiology, medicine, Policy intervention, Chloroquine resistance, Genotyping, Malaria
Abstract

The epidemiology survey of Pfcrt and Pfmdr 1 mutant genes in malaria infection in Edo State was carried out between June 2005 and May 2006. Five hundred and sixty one (561) subjects with a history of fever, joint pains, and bitterness of the mouth were enlisted for this study. With regard to place of residence, 229 subjects were from Edo South, 177 from Edo Central and 155 from Edo North. Genotyping of resistance markers “Plasmodium falciparum Chloroquine Resistance Transporter” (Pfcrt K76T) and Plasmodium falciparum Multi-Drug resistance (Pfmdr1) was carried out by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). There was no statistical difference (P>0.05) in the prevalence of malaria infection among the three senatorial districts (90.8%, 94.2% and 96.1% respectively). The general prevalence of mutant Pfcrt K76T and Pfmdr 1 mutant genes in the state were 21.9% and 15.1% respectively. No statistical difference existed when the prevalence of these genes was compared within the senatorial districts (P>0.05). The treatment of malaria has reached a crisis point in the sub-Sahara regions. The present findings also revealed a relatively high prevalence of these resistance genes in Edo State, underlining the need for urgent policy intervention before the situation escalates beyond control.

Published
2009
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4. Proinflammatory cytokines and haematological indices in HIV seropositive adults with uncomplicated Plasmodium falciparum malaria

Author

Mirabeau Y. Tatfeng and Denis E. Agbonlahor

Subjects
Interleukin 2, biology, Hiv seropositive, business.industry, Public Health, Environmental and Occupational Health, Human immunodeficiency virus (HIV), Plasmodium falciparum, medicine.disease_cause, biology.organism_classification, medicine.disease, Proinflammatory cytokine, Infectious Diseases, Immunology, medicine, Interferon gamma, business, Malaria, medicine.drug
Published
2008
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